The pentahedral bicharacteristic curve grid can be applied to investigate the thrust misalignment characteristics in a unsteady flow.

证明五双线网格方法可用来研究非定常流条件下的推力偏心性。

A method is also presented for calculating the side area and volume of critical rocks with arbitrary pentahedron as example.

以任意五例,介绍了危石侧积、积的计算方法。